Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
143.31.171.1 0:0:0:0:0:ffff:8f1f:ab01
143.31.171.2 0:0:0:0:0:ffff:8f1f:ab02
143.31.171.3 0:0:0:0:0:ffff:8f1f:ab03
143.31.171.4 0:0:0:0:0:ffff:8f1f:ab04
143.31.171.5 0:0:0:0:0:ffff:8f1f:ab05
143.31.171.6 0:0:0:0:0:ffff:8f1f:ab06
143.31.171.7 0:0:0:0:0:ffff:8f1f:ab07
143.31.171.8 0:0:0:0:0:ffff:8f1f:ab08
143.31.171.9 0:0:0:0:0:ffff:8f1f:ab09
143.31.171.10 0:0:0:0:0:ffff:8f1f:ab0a
143.31.171.11 0:0:0:0:0:ffff:8f1f:ab0b
143.31.171.12 0:0:0:0:0:ffff:8f1f:ab0c
143.31.171.13 0:0:0:0:0:ffff:8f1f:ab0d
143.31.171.14 0:0:0:0:0:ffff:8f1f:ab0e
143.31.171.15 0:0:0:0:0:ffff:8f1f:ab0f
143.31.171.16 0:0:0:0:0:ffff:8f1f:ab10
143.31.171.17 0:0:0:0:0:ffff:8f1f:ab11
143.31.171.18 0:0:0:0:0:ffff:8f1f:ab12
143.31.171.19 0:0:0:0:0:ffff:8f1f:ab13
143.31.171.20 0:0:0:0:0:ffff:8f1f:ab14
143.31.171.21 0:0:0:0:0:ffff:8f1f:ab15
143.31.171.22 0:0:0:0:0:ffff:8f1f:ab16
143.31.171.23 0:0:0:0:0:ffff:8f1f:ab17
143.31.171.24 0:0:0:0:0:ffff:8f1f:ab18
143.31.171.25 0:0:0:0:0:ffff:8f1f:ab19
143.31.171.26 0:0:0:0:0:ffff:8f1f:ab1a
143.31.171.27 0:0:0:0:0:ffff:8f1f:ab1b
143.31.171.28 0:0:0:0:0:ffff:8f1f:ab1c
143.31.171.29 0:0:0:0:0:ffff:8f1f:ab1d
143.31.171.30 0:0:0:0:0:ffff:8f1f:ab1e
143.31.171.31 0:0:0:0:0:ffff:8f1f:ab1f
143.31.171.32 0:0:0:0:0:ffff:8f1f:ab20
143.31.171.33 0:0:0:0:0:ffff:8f1f:ab21
143.31.171.34 0:0:0:0:0:ffff:8f1f:ab22
143.31.171.35 0:0:0:0:0:ffff:8f1f:ab23
143.31.171.36 0:0:0:0:0:ffff:8f1f:ab24
143.31.171.37 0:0:0:0:0:ffff:8f1f:ab25
143.31.171.38 0:0:0:0:0:ffff:8f1f:ab26
143.31.171.39 0:0:0:0:0:ffff:8f1f:ab27
143.31.171.40 0:0:0:0:0:ffff:8f1f:ab28
143.31.171.41 0:0:0:0:0:ffff:8f1f:ab29
143.31.171.42 0:0:0:0:0:ffff:8f1f:ab2a
143.31.171.43 0:0:0:0:0:ffff:8f1f:ab2b
143.31.171.44 0:0:0:0:0:ffff:8f1f:ab2c
143.31.171.45 0:0:0:0:0:ffff:8f1f:ab2d
143.31.171.46 0:0:0:0:0:ffff:8f1f:ab2e
143.31.171.47 0:0:0:0:0:ffff:8f1f:ab2f
143.31.171.48 0:0:0:0:0:ffff:8f1f:ab30
143.31.171.49 0:0:0:0:0:ffff:8f1f:ab31
143.31.171.50 0:0:0:0:0:ffff:8f1f:ab32
143.31.171.51 0:0:0:0:0:ffff:8f1f:ab33
143.31.171.52 0:0:0:0:0:ffff:8f1f:ab34
143.31.171.53 0:0:0:0:0:ffff:8f1f:ab35
143.31.171.54 0:0:0:0:0:ffff:8f1f:ab36
143.31.171.55 0:0:0:0:0:ffff:8f1f:ab37
143.31.171.56 0:0:0:0:0:ffff:8f1f:ab38
143.31.171.57 0:0:0:0:0:ffff:8f1f:ab39
143.31.171.58 0:0:0:0:0:ffff:8f1f:ab3a
143.31.171.59 0:0:0:0:0:ffff:8f1f:ab3b
143.31.171.60 0:0:0:0:0:ffff:8f1f:ab3c


143.31.171.61 0:0:0:0:0:ffff:8f1f:ab3d
143.31.171.62 0:0:0:0:0:ffff:8f1f:ab3e
143.31.171.63 0:0:0:0:0:ffff:8f1f:ab3f
143.31.171.64 0:0:0:0:0:ffff:8f1f:ab40
143.31.171.65 0:0:0:0:0:ffff:8f1f:ab41
143.31.171.66 0:0:0:0:0:ffff:8f1f:ab42
143.31.171.67 0:0:0:0:0:ffff:8f1f:ab43
143.31.171.68 0:0:0:0:0:ffff:8f1f:ab44
143.31.171.69 0:0:0:0:0:ffff:8f1f:ab45
143.31.171.70 0:0:0:0:0:ffff:8f1f:ab46
143.31.171.71 0:0:0:0:0:ffff:8f1f:ab47
143.31.171.72 0:0:0:0:0:ffff:8f1f:ab48
143.31.171.73 0:0:0:0:0:ffff:8f1f:ab49
143.31.171.74 0:0:0:0:0:ffff:8f1f:ab4a
143.31.171.75 0:0:0:0:0:ffff:8f1f:ab4b
143.31.171.76 0:0:0:0:0:ffff:8f1f:ab4c
143.31.171.77 0:0:0:0:0:ffff:8f1f:ab4d
143.31.171.78 0:0:0:0:0:ffff:8f1f:ab4e
143.31.171.79 0:0:0:0:0:ffff:8f1f:ab4f
143.31.171.80 0:0:0:0:0:ffff:8f1f:ab50
143.31.171.81 0:0:0:0:0:ffff:8f1f:ab51
143.31.171.82 0:0:0:0:0:ffff:8f1f:ab52
143.31.171.83 0:0:0:0:0:ffff:8f1f:ab53
143.31.171.84 0:0:0:0:0:ffff:8f1f:ab54
143.31.171.85 0:0:0:0:0:ffff:8f1f:ab55
143.31.171.86 0:0:0:0:0:ffff:8f1f:ab56
143.31.171.87 0:0:0:0:0:ffff:8f1f:ab57
143.31.171.88 0:0:0:0:0:ffff:8f1f:ab58
143.31.171.89 0:0:0:0:0:ffff:8f1f:ab59
143.31.171.90 0:0:0:0:0:ffff:8f1f:ab5a
143.31.171.91 0:0:0:0:0:ffff:8f1f:ab5b
143.31.171.92 0:0:0:0:0:ffff:8f1f:ab5c
143.31.171.93 0:0:0:0:0:ffff:8f1f:ab5d
143.31.171.94 0:0:0:0:0:ffff:8f1f:ab5e
143.31.171.95 0:0:0:0:0:ffff:8f1f:ab5f
143.31.171.96 0:0:0:0:0:ffff:8f1f:ab60
143.31.171.97 0:0:0:0:0:ffff:8f1f:ab61
143.31.171.98 0:0:0:0:0:ffff:8f1f:ab62
143.31.171.99 0:0:0:0:0:ffff:8f1f:ab63
143.31.171.100 0:0:0:0:0:ffff:8f1f:ab64
143.31.171.101 0:0:0:0:0:ffff:8f1f:ab65
143.31.171.102 0:0:0:0:0:ffff:8f1f:ab66
143.31.171.103 0:0:0:0:0:ffff:8f1f:ab67
143.31.171.104 0:0:0:0:0:ffff:8f1f:ab68
143.31.171.105 0:0:0:0:0:ffff:8f1f:ab69
143.31.171.106 0:0:0:0:0:ffff:8f1f:ab6a
143.31.171.107 0:0:0:0:0:ffff:8f1f:ab6b
143.31.171.108 0:0:0:0:0:ffff:8f1f:ab6c
143.31.171.109 0:0:0:0:0:ffff:8f1f:ab6d
143.31.171.110 0:0:0:0:0:ffff:8f1f:ab6e
143.31.171.111 0:0:0:0:0:ffff:8f1f:ab6f
143.31.171.112 0:0:0:0:0:ffff:8f1f:ab70
143.31.171.113 0:0:0:0:0:ffff:8f1f:ab71
143.31.171.114 0:0:0:0:0:ffff:8f1f:ab72
143.31.171.115 0:0:0:0:0:ffff:8f1f:ab73
143.31.171.116 0:0:0:0:0:ffff:8f1f:ab74
143.31.171.117 0:0:0:0:0:ffff:8f1f:ab75
143.31.171.118 0:0:0:0:0:ffff:8f1f:ab76
143.31.171.119 0:0:0:0:0:ffff:8f1f:ab77
143.31.171.120 0:0:0:0:0:ffff:8f1f:ab78


143.31.171.121 0:0:0:0:0:ffff:8f1f:ab79
143.31.171.122 0:0:0:0:0:ffff:8f1f:ab7a
143.31.171.123 0:0:0:0:0:ffff:8f1f:ab7b
143.31.171.124 0:0:0:0:0:ffff:8f1f:ab7c
143.31.171.125 0:0:0:0:0:ffff:8f1f:ab7d
143.31.171.126 0:0:0:0:0:ffff:8f1f:ab7e
143.31.171.127 0:0:0:0:0:ffff:8f1f:ab7f
143.31.171.128 0:0:0:0:0:ffff:8f1f:ab80
143.31.171.129 0:0:0:0:0:ffff:8f1f:ab81
143.31.171.130 0:0:0:0:0:ffff:8f1f:ab82
143.31.171.131 0:0:0:0:0:ffff:8f1f:ab83
143.31.171.132 0:0:0:0:0:ffff:8f1f:ab84
143.31.171.133 0:0:0:0:0:ffff:8f1f:ab85
143.31.171.134 0:0:0:0:0:ffff:8f1f:ab86
143.31.171.135 0:0:0:0:0:ffff:8f1f:ab87
143.31.171.136 0:0:0:0:0:ffff:8f1f:ab88
143.31.171.137 0:0:0:0:0:ffff:8f1f:ab89
143.31.171.138 0:0:0:0:0:ffff:8f1f:ab8a
143.31.171.139 0:0:0:0:0:ffff:8f1f:ab8b
143.31.171.140 0:0:0:0:0:ffff:8f1f:ab8c
143.31.171.141 0:0:0:0:0:ffff:8f1f:ab8d
143.31.171.142 0:0:0:0:0:ffff:8f1f:ab8e
143.31.171.143 0:0:0:0:0:ffff:8f1f:ab8f
143.31.171.144 0:0:0:0:0:ffff:8f1f:ab90
143.31.171.145 0:0:0:0:0:ffff:8f1f:ab91
143.31.171.146 0:0:0:0:0:ffff:8f1f:ab92
143.31.171.147 0:0:0:0:0:ffff:8f1f:ab93
143.31.171.148 0:0:0:0:0:ffff:8f1f:ab94
143.31.171.149 0:0:0:0:0:ffff:8f1f:ab95
143.31.171.150 0:0:0:0:0:ffff:8f1f:ab96
143.31.171.151 0:0:0:0:0:ffff:8f1f:ab97
143.31.171.152 0:0:0:0:0:ffff:8f1f:ab98
143.31.171.153 0:0:0:0:0:ffff:8f1f:ab99
143.31.171.154 0:0:0:0:0:ffff:8f1f:ab9a
143.31.171.155 0:0:0:0:0:ffff:8f1f:ab9b
143.31.171.156 0:0:0:0:0:ffff:8f1f:ab9c
143.31.171.157 0:0:0:0:0:ffff:8f1f:ab9d
143.31.171.158 0:0:0:0:0:ffff:8f1f:ab9e
143.31.171.159 0:0:0:0:0:ffff:8f1f:ab9f
143.31.171.160 0:0:0:0:0:ffff:8f1f:aba0
143.31.171.161 0:0:0:0:0:ffff:8f1f:aba1
143.31.171.162 0:0:0:0:0:ffff:8f1f:aba2
143.31.171.163 0:0:0:0:0:ffff:8f1f:aba3
143.31.171.164 0:0:0:0:0:ffff:8f1f:aba4
143.31.171.165 0:0:0:0:0:ffff:8f1f:aba5
143.31.171.166 0:0:0:0:0:ffff:8f1f:aba6
143.31.171.167 0:0:0:0:0:ffff:8f1f:aba7
143.31.171.168 0:0:0:0:0:ffff:8f1f:aba8
143.31.171.169 0:0:0:0:0:ffff:8f1f:aba9
143.31.171.170 0:0:0:0:0:ffff:8f1f:abaa
143.31.171.171 0:0:0:0:0:ffff:8f1f:abab
143.31.171.172 0:0:0:0:0:ffff:8f1f:abac
143.31.171.173 0:0:0:0:0:ffff:8f1f:abad
143.31.171.174 0:0:0:0:0:ffff:8f1f:abae
143.31.171.175 0:0:0:0:0:ffff:8f1f:abaf
143.31.171.176 0:0:0:0:0:ffff:8f1f:abb0
143.31.171.177 0:0:0:0:0:ffff:8f1f:abb1
143.31.171.178 0:0:0:0:0:ffff:8f1f:abb2
143.31.171.179 0:0:0:0:0:ffff:8f1f:abb3
143.31.171.180 0:0:0:0:0:ffff:8f1f:abb4


143.31.171.181 0:0:0:0:0:ffff:8f1f:abb5
143.31.171.182 0:0:0:0:0:ffff:8f1f:abb6
143.31.171.183 0:0:0:0:0:ffff:8f1f:abb7
143.31.171.184 0:0:0:0:0:ffff:8f1f:abb8
143.31.171.185 0:0:0:0:0:ffff:8f1f:abb9
143.31.171.186 0:0:0:0:0:ffff:8f1f:abba
143.31.171.187 0:0:0:0:0:ffff:8f1f:abbb
143.31.171.188 0:0:0:0:0:ffff:8f1f:abbc
143.31.171.189 0:0:0:0:0:ffff:8f1f:abbd
143.31.171.190 0:0:0:0:0:ffff:8f1f:abbe
143.31.171.191 0:0:0:0:0:ffff:8f1f:abbf
143.31.171.192 0:0:0:0:0:ffff:8f1f:abc0
143.31.171.193 0:0:0:0:0:ffff:8f1f:abc1
143.31.171.194 0:0:0:0:0:ffff:8f1f:abc2
143.31.171.195 0:0:0:0:0:ffff:8f1f:abc3
143.31.171.196 0:0:0:0:0:ffff:8f1f:abc4
143.31.171.197 0:0:0:0:0:ffff:8f1f:abc5
143.31.171.198 0:0:0:0:0:ffff:8f1f:abc6
143.31.171.199 0:0:0:0:0:ffff:8f1f:abc7
143.31.171.200 0:0:0:0:0:ffff:8f1f:abc8
143.31.171.201 0:0:0:0:0:ffff:8f1f:abc9
143.31.171.202 0:0:0:0:0:ffff:8f1f:abca
143.31.171.203 0:0:0:0:0:ffff:8f1f:abcb
143.31.171.204 0:0:0:0:0:ffff:8f1f:abcc
143.31.171.205 0:0:0:0:0:ffff:8f1f:abcd
143.31.171.206 0:0:0:0:0:ffff:8f1f:abce
143.31.171.207 0:0:0:0:0:ffff:8f1f:abcf
143.31.171.208 0:0:0:0:0:ffff:8f1f:abd0
143.31.171.209 0:0:0:0:0:ffff:8f1f:abd1
143.31.171.210 0:0:0:0:0:ffff:8f1f:abd2
143.31.171.211 0:0:0:0:0:ffff:8f1f:abd3
143.31.171.212 0:0:0:0:0:ffff:8f1f:abd4
143.31.171.213 0:0:0:0:0:ffff:8f1f:abd5
143.31.171.214 0:0:0:0:0:ffff:8f1f:abd6
143.31.171.215 0:0:0:0:0:ffff:8f1f:abd7
143.31.171.216 0:0:0:0:0:ffff:8f1f:abd8
143.31.171.217 0:0:0:0:0:ffff:8f1f:abd9
143.31.171.218 0:0:0:0:0:ffff:8f1f:abda
143.31.171.219 0:0:0:0:0:ffff:8f1f:abdb
143.31.171.220 0:0:0:0:0:ffff:8f1f:abdc
143.31.171.221 0:0:0:0:0:ffff:8f1f:abdd
143.31.171.222 0:0:0:0:0:ffff:8f1f:abde
143.31.171.223 0:0:0:0:0:ffff:8f1f:abdf
143.31.171.224 0:0:0:0:0:ffff:8f1f:abe0
143.31.171.225 0:0:0:0:0:ffff:8f1f:abe1
143.31.171.226 0:0:0:0:0:ffff:8f1f:abe2
143.31.171.227 0:0:0:0:0:ffff:8f1f:abe3
143.31.171.228 0:0:0:0:0:ffff:8f1f:abe4
143.31.171.229 0:0:0:0:0:ffff:8f1f:abe5
143.31.171.230 0:0:0:0:0:ffff:8f1f:abe6
143.31.171.231 0:0:0:0:0:ffff:8f1f:abe7
143.31.171.232 0:0:0:0:0:ffff:8f1f:abe8
143.31.171.233 0:0:0:0:0:ffff:8f1f:abe9
143.31.171.234 0:0:0:0:0:ffff:8f1f:abea
143.31.171.235 0:0:0:0:0:ffff:8f1f:abeb
143.31.171.236 0:0:0:0:0:ffff:8f1f:abec
143.31.171.237 0:0:0:0:0:ffff:8f1f:abed
143.31.171.238 0:0:0:0:0:ffff:8f1f:abee
143.31.171.239 0:0:0:0:0:ffff:8f1f:abef
143.31.171.240 0:0:0:0:0:ffff:8f1f:abf0
143.31.171.241 0:0:0:0:0:ffff:8f1f:abf1
143.31.171.242 0:0:0:0:0:ffff:8f1f:abf2
143.31.171.243 0:0:0:0:0:ffff:8f1f:abf3
143.31.171.244 0:0:0:0:0:ffff:8f1f:abf4
143.31.171.245 0:0:0:0:0:ffff:8f1f:abf5
143.31.171.246 0:0:0:0:0:ffff:8f1f:abf6
143.31.171.247 0:0:0:0:0:ffff:8f1f:abf7
143.31.171.248 0:0:0:0:0:ffff:8f1f:abf8
143.31.171.249 0:0:0:0:0:ffff:8f1f:abf9
143.31.171.250 0:0:0:0:0:ffff:8f1f:abfa
143.31.171.251 0:0:0:0:0:ffff:8f1f:abfb
143.31.171.252 0:0:0:0:0:ffff:8f1f:abfc
143.31.171.253 0:0:0:0:0:ffff:8f1f:abfd
143.31.171.254 0:0:0:0:0:ffff:8f1f:abfe
143.31.171.255 0:0:0:0:0:ffff:8f1f:abff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.